437 lines
11 KiB
C++
437 lines
11 KiB
C++
/* Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
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/**
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@file storage/perfschema/table_prepared_stmt_instances.cc
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Table PREPARED_STATEMENTS_INSTANCES (implementation).
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*/
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#include "my_global.h"
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#include "my_thread.h"
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#include "pfs_instr_class.h"
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#include "pfs_column_types.h"
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#include "pfs_column_values.h"
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#include "pfs_global.h"
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#include "pfs_instr.h"
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#include "pfs_timer.h"
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#include "pfs_visitor.h"
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#include "pfs_prepared_stmt.h"
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#include "table_prepared_stmt_instances.h"
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#include "pfs_buffer_container.h"
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#include "field.h"
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THR_LOCK table_prepared_stmt_instances::m_table_lock;
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static const TABLE_FIELD_TYPE field_types[]=
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{
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{
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{ C_STRING_WITH_LEN("OBJECT_INSTANCE_BEGIN") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("STATEMENT_ID") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("STATEMENT_NAME") },
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{ C_STRING_WITH_LEN("varchar(64)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SQL_TEXT") },
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{ C_STRING_WITH_LEN("longtext") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("OWNER_THREAD_ID") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("OWNER_EVENT_ID") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("OWNER_OBJECT_TYPE") },
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{ C_STRING_WITH_LEN("enum(\'EVENT\',\'FUNCTION\',\'PROCEDURE\',\'TABLE\',\'TRIGGER\')") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("OWNER_OBJECT_SCHEMA") },
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{ C_STRING_WITH_LEN("varchar(64)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("OWNER_OBJECT_NAME") },
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{ C_STRING_WITH_LEN("varchar(64)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("TIMER_PREPARE") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("COUNT_REPREPARE") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("COUNT_EXECUTE") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_TIMER_EXECUTE") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("MIN_TIMER_EXECUTE") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("AVG_TIMER_EXECUTE") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("MAX_TIMER_EXECUTE") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_LOCK_TIME") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_ERRORS") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_WARNINGS") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_ROWS_AFFECTED") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_ROWS_SENT") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_ROWS_EXAMINED") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_CREATED_TMP_DISK_TABLES") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_CREATED_TMP_TABLES") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_SELECT_FULL_JOIN") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_SELECT_FULL_RANGE_JOIN") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_SELECT_RANGE") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_SELECT_RANGE_CHECK") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_SELECT_SCAN") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_SORT_MERGE_PASSES") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_SORT_RANGE") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_SORT_ROWS") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_SORT_SCAN") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_NO_INDEX_USED") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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{
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{ C_STRING_WITH_LEN("SUM_NO_GOOD_INDEX_USED") },
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{ C_STRING_WITH_LEN("bigint(20)") },
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{ NULL, 0}
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},
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};
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TABLE_FIELD_DEF
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table_prepared_stmt_instances::m_field_def=
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{ 35, field_types };
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PFS_engine_table_share
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table_prepared_stmt_instances::m_share=
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{
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{ C_STRING_WITH_LEN("prepared_statements_instances") },
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&pfs_truncatable_acl,
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table_prepared_stmt_instances::create,
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NULL, /* write_row */
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table_prepared_stmt_instances::delete_all_rows,
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table_prepared_stmt_instances::get_row_count,
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sizeof(PFS_simple_index),
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&m_table_lock,
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&m_field_def,
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false, /* checked */
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false /* perpetual */
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};
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PFS_engine_table*
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table_prepared_stmt_instances::create(void)
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{
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return new table_prepared_stmt_instances();
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}
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int
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table_prepared_stmt_instances::delete_all_rows(void)
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{
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reset_prepared_stmt_instances();
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return 0;
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}
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ha_rows
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table_prepared_stmt_instances::get_row_count(void)
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{
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return global_prepared_stmt_container.get_row_count();
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}
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table_prepared_stmt_instances::table_prepared_stmt_instances()
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: PFS_engine_table(&m_share, &m_pos),
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m_row_exists(false), m_pos(0), m_next_pos(0)
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{}
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void table_prepared_stmt_instances::reset_position(void)
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{
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m_pos= 0;
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m_next_pos= 0;
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}
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int table_prepared_stmt_instances::rnd_next(void)
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{
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PFS_prepared_stmt* pfs;
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m_pos.set_at(&m_next_pos);
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PFS_prepared_stmt_iterator it= global_prepared_stmt_container.iterate(m_pos.m_index);
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pfs= it.scan_next(& m_pos.m_index);
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if (pfs != NULL)
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{
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make_row(pfs);
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m_next_pos.set_after(&m_pos);
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return 0;
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}
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return HA_ERR_END_OF_FILE;
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}
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int
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table_prepared_stmt_instances::rnd_pos(const void *pos)
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{
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PFS_prepared_stmt* pfs;
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set_position(pos);
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pfs= global_prepared_stmt_container.get(m_pos.m_index);
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if (pfs != NULL)
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{
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make_row(pfs);
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return 0;
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}
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return HA_ERR_RECORD_DELETED;
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}
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void table_prepared_stmt_instances::make_row(PFS_prepared_stmt* prepared_stmt)
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{
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pfs_optimistic_state lock;
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m_row_exists= false;
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prepared_stmt->m_lock.begin_optimistic_lock(&lock);
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m_row.m_identity= prepared_stmt->m_identity;
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m_row.m_stmt_id= prepared_stmt->m_stmt_id;
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m_row.m_owner_thread_id= prepared_stmt->m_owner_thread_id;
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m_row.m_owner_event_id= prepared_stmt->m_owner_event_id;
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m_row.m_stmt_name_length= prepared_stmt->m_stmt_name_length;
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if(m_row.m_stmt_name_length > 0)
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memcpy(m_row.m_stmt_name, prepared_stmt->m_stmt_name,
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m_row.m_stmt_name_length);
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m_row.m_sql_text_length= prepared_stmt->m_sqltext_length;
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if(m_row.m_sql_text_length > 0)
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memcpy(m_row.m_sql_text, prepared_stmt->m_sqltext,
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m_row.m_sql_text_length);
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m_row.m_owner_object_type= prepared_stmt->m_owner_object_type;
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m_row.m_owner_object_name_length= prepared_stmt->m_owner_object_name_length;
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if(m_row.m_owner_object_name_length > 0)
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memcpy(m_row.m_owner_object_name, prepared_stmt->m_owner_object_name,
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m_row.m_owner_object_name_length);
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m_row.m_owner_object_schema_length= prepared_stmt->m_owner_object_schema_length;
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if(m_row.m_owner_object_schema_length > 0)
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memcpy(m_row.m_owner_object_schema, prepared_stmt->m_owner_object_schema,
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m_row.m_owner_object_schema_length);
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time_normalizer *normalizer= time_normalizer::get(statement_timer);
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/* Get prepared statement prepare stats. */
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m_row.m_prepare_stat.set(normalizer, & prepared_stmt->m_prepare_stat);
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/* Get prepared statement reprepare stats. */
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m_row.m_reprepare_stat.set(normalizer, & prepared_stmt->m_reprepare_stat);
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/* Get prepared statement execute stats. */
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m_row.m_execute_stat.set(normalizer, & prepared_stmt->m_execute_stat);
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if (! prepared_stmt->m_lock.end_optimistic_lock(&lock))
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return;
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m_row_exists= true;
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}
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int table_prepared_stmt_instances
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::read_row_values(TABLE *table, unsigned char *buf, Field **fields,
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bool read_all)
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{
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Field *f;
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if (unlikely(! m_row_exists))
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return HA_ERR_RECORD_DELETED;
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/*
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Set the null bits.
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*/
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DBUG_ASSERT(table->s->null_bytes == 1);
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buf[0]= 0;
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for (; (f= *fields) ; fields++)
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{
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if (read_all || bitmap_is_set(table->read_set, f->field_index))
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{
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switch(f->field_index)
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{
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case 0: /* OBJECT_INSTANCE_BEGIN */
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set_field_ulonglong(f, (intptr)m_row.m_identity);
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break;
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case 1: /* STATEMENT_ID */
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set_field_ulonglong(f, m_row.m_stmt_id);
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break;
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case 2: /* STATEMENT_NAME */
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if(m_row.m_stmt_name_length > 0)
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set_field_varchar_utf8(f, m_row.m_stmt_name,
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m_row.m_stmt_name_length);
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else
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f->set_null();
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break;
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case 3: /* SQL_TEXT */
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if(m_row.m_sql_text_length > 0)
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set_field_longtext_utf8(f, m_row.m_sql_text,
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m_row.m_sql_text_length);
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else
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f->set_null();
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break;
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case 4: /* OWNER_THREAD_ID */
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set_field_ulonglong(f, m_row.m_owner_thread_id);
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break;
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case 5: /* OWNER_EVENT_ID */
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if(m_row.m_owner_event_id > 0)
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set_field_ulonglong(f, m_row.m_owner_event_id);
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else
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f->set_null();
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break;
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case 6: /* OWNER_OBJECT_TYPE */
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if(m_row.m_owner_object_type != 0)
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set_field_enum(f, m_row.m_owner_object_type);
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else
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f->set_null();
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break;
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case 7: /* OWNER_OBJECT_SCHEMA */
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if(m_row.m_owner_object_schema_length > 0)
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set_field_varchar_utf8(f, m_row.m_owner_object_schema,
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m_row.m_owner_object_schema_length);
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else
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f->set_null();
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break;
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case 8: /* OWNER_OBJECT_NAME */
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if(m_row.m_owner_object_name_length > 0)
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set_field_varchar_utf8(f, m_row.m_owner_object_name,
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m_row.m_owner_object_name_length);
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else
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f->set_null();
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break;
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case 9: /* TIMER_PREPARE */
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m_row.m_prepare_stat.set_field(1, f);
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break;
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case 10: /* COUNT_REPREPARE */
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m_row.m_reprepare_stat.set_field(0, f);
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break;
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default: /* 14, ... COUNT/SUM/MIN/AVG/MAX */
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m_row.m_execute_stat.set_field(f->field_index - 11, f);
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break;
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}
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}
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}
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return 0;
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}
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